clintd2
June 17th, 2015, 03:57 AM
Hi,
We are just starting to roll out Ubuntu 14.04 Desktops and are coming across a strange issue. We are using sssd talking to a 389 LDAP server. This generally works but when a user logs in at the desktop they often see an error dialog saying "System program problem detected" from looking in /var/crash it is clear that as some point sssd is crashing specifically /usr/lib/x86_64-linux-gnu/sssd/sssd_be. Looking at the sssd logs we see
# cat /var/log/sssd/sssd_LDAP.log
(Wed Jun 17 13:06:17 2015) [sssd[be[LDAP]]] [talloc_log_fn] (0x0010): talloc: access after free error - first free may be at ../src/providers/ldap/sdap_async_nested_groups.c:743
(Wed Jun 17 13:06:17 2015) [sssd[be[LDAP]]] [talloc_log_fn] (0x0010): Bad talloc magic value - access after free
sssd seems to continue working correctly after the crash
Web searching only seems to find old Fedora related posts that indicate this may have been a problem with sssd code in the past and nothing that is specific to ubuntu.
So first question, is there a better place to be asking about sssd issues? Secondly does anyone know of a fix for this?
Should I be logging a bug report at https://bugs.launchpad.net/ubuntu/+source/sssd ?
Thanks for any help you can offer.
More info about our setup is
sssd Version: 1.11.5-1ubuntu3
Depends: sssd-common (= 1.11.5-1ubuntu3), sssd-ad (= 1.11.5-1ubuntu3), sssd-ipa (= 1.11.5-1ubuntu3), sssd-krb5 (= 1.11.5-1ubuntu3), sssd-ldap (= 1.11.5-1ubuntu3), sssd-proxy (= 1.11.5-1ubuntu3), python-sss (= 1.11.5-1ubuntu3)
We are just starting to roll out Ubuntu 14.04 Desktops and are coming across a strange issue. We are using sssd talking to a 389 LDAP server. This generally works but when a user logs in at the desktop they often see an error dialog saying "System program problem detected" from looking in /var/crash it is clear that as some point sssd is crashing specifically /usr/lib/x86_64-linux-gnu/sssd/sssd_be. Looking at the sssd logs we see
# cat /var/log/sssd/sssd_LDAP.log
(Wed Jun 17 13:06:17 2015) [sssd[be[LDAP]]] [talloc_log_fn] (0x0010): talloc: access after free error - first free may be at ../src/providers/ldap/sdap_async_nested_groups.c:743
(Wed Jun 17 13:06:17 2015) [sssd[be[LDAP]]] [talloc_log_fn] (0x0010): Bad talloc magic value - access after free
sssd seems to continue working correctly after the crash
Web searching only seems to find old Fedora related posts that indicate this may have been a problem with sssd code in the past and nothing that is specific to ubuntu.
So first question, is there a better place to be asking about sssd issues? Secondly does anyone know of a fix for this?
Should I be logging a bug report at https://bugs.launchpad.net/ubuntu/+source/sssd ?
Thanks for any help you can offer.
More info about our setup is
sssd Version: 1.11.5-1ubuntu3
Depends: sssd-common (= 1.11.5-1ubuntu3), sssd-ad (= 1.11.5-1ubuntu3), sssd-ipa (= 1.11.5-1ubuntu3), sssd-krb5 (= 1.11.5-1ubuntu3), sssd-ldap (= 1.11.5-1ubuntu3), sssd-proxy (= 1.11.5-1ubuntu3), python-sss (= 1.11.5-1ubuntu3)